Weather

19 November 2012

SOUTH POLE WEATHER SUMMARY
Nov 10 - Nov 16, 2012, South Pole Station, Antarctica

Temperature:
Average temp... -37.2°C / -35.0°F
Maximum temp... -32.3°C / -26.1°F on day 16
Minimum temp... -44.6°C / -48.3°F on day 10

Wind:
Average wind speed.......... 13.9 mph or 12.1 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 37 mph or 32 knots on day 14
Maximum wind direction...... Grid North
Average vectored wind....... 040 degrees at 10.7 knots

Station Pressure:
Average pressure... 691.1 mb
Highest pressure... 694.9 mb on day 12
Lowest pressure.... 684.2 mb on day 16

Physio-altitude:
Average physio-alt = 10212 ft/ 3113 m
Highest physio-alt = 10470 ft/ 3191 m on day 16
Lowest physio-alt= 10071 ft/ 3070 m on day 12

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 3
Days partly cloudy........... 4
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2013
Average hours per day... 23.2
Percent of possible..... 97

Visibility:
0 days with visibility of 1/4 mile or less.

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 25.8 mb, or 24942 meters
Highest sounding..................... 11.5 mb, or 30517 meterson day 12/00Z flight
0 soundings were missed.

**RECORDS**
Day 14: The peak wind speed of 32 kts/37 mph tied the previous record set in 2009.